Causmag® AL4 is a reactive calcined magnesium oxide, produced under closely controlled conditions. Causmag® AL4 is a finely divided white powder with consistent particle size and high reactivity, for use in agriculture and animal health.
Magnesium Oxide AL4 20kg
$32.70
Delivery Schedule Overview
As of January 2026 Pet Horse & Farm operates on a strict weekly delivery schedule based on postcode. Each area has one designated delivery day per week. Orders are delivered only on the scheduled day for your postcode.
Weekly Delivery Schedule
Monday – Bellarine Peninsula & Surf Coast
Orders Required Wednesday 5pm
Postcodes: 3216, 3217, 3221, 3222, 3223, 3224, 3225, 3226, 3227, 3228, 3229, 3230
Tuesday – North Eastern Suburbs of Melbourne
Orders Required Thursday 5pm
Postcodes: 3034, 3039, 3040, 3041, 3042, 3043, 3044, 3045, 3046, 3055, 3056, 3057, 3058, 3062, 3063, 3065, 3066, 3067, 3068, 3070, 3071, 3072, 3073, 3074, 3075, 3076, 3078, 3079, 3081, 3082, 3083, 3084, 3085, 3087, 3088, 3089, 3090, 3093, 3094, 3095, 3096, 3099, 3101, 3102, 3103, 3104, 3105, 3106, 3107, 3108, 3109, 3110
Wednesday – Western Suburbs of Melbourne & Greenvale
Orders Required Friday 5pm
West Postcodes: 3011, 3012, 3013, 3015, 3016, 3018, 3019, 3020, 3021, 3022, 3023, 3024, 3025, 3026, 3027, 3028, 3029, 3030, 3031, 3032, 3033, 3036, 3037, 3038
Greenvale Postcodes: 3047, 3048, 3049, 3059, 3060, 3061, 3064, 3111
Thursday – Geelong & West of Geelong
Orders Required Monday 5pm
Postcodes: 3211, 3212, 3213, 3214, 3215, 3219, 3220, 3240, 3241, 3321, 3328, 3329, 3331, 3332, 3333, 3335, 3336, 3337, 3338, 3218,
Friday – South Eastern Suburbs of Melbourne
Orders Required Tuesday 5pm
Postcodes: 3001, 3002, 3003, 3004, 3005, 3006, 3008, 3010, 3050, 3051, 3052, 3053, 3054,
3121, 3122, 3123, 3124, 3125, 3126, 3127, 3128, 3129, 3130, 3131, 3132, 3133, 3134, 3135, 3136, 3137,
3141, 3142, 3143, 3144, 3145, 3146, 3147, 3148, 3149, 3150, 3151, 3152,
3155, 3156, 3159,
3161, 3162, 3163, 3165, 3166, 3167, 3168, 3169,
3170, 3171, 3172, 3173, 3174, 3175, 3177, 3178, 3179,
3181, 3182, 3183, 3184, 3185, 3186, 3187, 3188, 3189, 3190, 3191, 3192, 3193, 3194, 3195, 3196,
3202, 3204, 3205, 3206, 3207
Order Cut-Off
Orders must be placed a minimum of three (3) working days prior to the scheduled delivery day. Orders placed after the cut-off will be delivered the following week.
Example: If your delivery day is Thursday, orders must be placed by 5pm Monday. We have included above the required order date.
Important Delivery Notes
• Deliveries occur once per week per postcode
• Multiple deliveries to the same postcode in one week will not occur
• Orders cannot be brought forward or delivered outside scheduled days
• This policy applies to all customers
In-Store Pick Up
At Pet Horse & Farm, we understand the importance of convenience and flexibility when it comes to purchasing products for your farm animals. That's why we offer a convenient click and collect option at our warehouse located at Gate 5 Unit 2C Thor Court, Keilor East. Our opening hours are Monday through Friday 8am to 5pm (closed public holidays).
Please note, while we have a large selection of products available in-store, we also offer a range of supplements and specialty items that are ordered in as required. This ensures that you receive the freshest and highest quality products for your animals.
If you choose the click and collect option, most orders will be ready for pick up within 48 hours. However, please allow up to 3-5 business days for your order to be prepared, especially for supplements and specialty products. If you have any specific requirements or would like to know the expected time frame for your order, please don't hesitate to contact our sales team.
Our dedicated sales team is available to assist you with any questions or concerns you may have. You can reach us by phone at 1300 362 326 or by email at sales@pethorsefarm.com.au. We are committed to providing excellent customer service and ensuring that your experience with us is seamless and enjoyable.